Home / 19,635.49-29,490.99-16,830.66

Finding the Fourth Proportional to 19,635.49, 29,490.99 and 16,830.66

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Solution

The fourth proportional to 19,635.49, 29,490.99 and 16,830.66 is: 25,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,635.49 : 29,490.99 = 16,830.66 : x
  2. Step 2: Convert to fraction form
    19,635.49/29,490.99 = 16,830.66/x
  3. Step 3: Cross multiply
    19,635.49x = 29,490.99 × 16,830.66
  4. Step 4: Simplify right side
    19,635.49x = 496,352,825.75
  5. Step 5: Solve for x
    x = 496,352,825.75/19,635.49
  6. Step 6: Final answer
    x = 25,278.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.